FR2684261A1 - PROTECTIVE DEVICE FOR PRINTED CIRCUIT BOARDS. - Google Patents

PROTECTIVE DEVICE FOR PRINTED CIRCUIT BOARDS. Download PDF

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Publication number
FR2684261A1
FR2684261A1 FR9208933A FR9208933A FR2684261A1 FR 2684261 A1 FR2684261 A1 FR 2684261A1 FR 9208933 A FR9208933 A FR 9208933A FR 9208933 A FR9208933 A FR 9208933A FR 2684261 A1 FR2684261 A1 FR 2684261A1
Authority
FR
France
Prior art keywords
printed circuit
feet
circuit board
receiving member
circuit boards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR9208933A
Other languages
French (fr)
Other versions
FR2684261B1 (en
Inventor
Maeda Osamu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Publication of FR2684261A1 publication Critical patent/FR2684261A1/en
Application granted granted Critical
Publication of FR2684261B1 publication Critical patent/FR2684261B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/002—Casings with localised screening
    • H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
    • H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
    • H05K9/0032—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields having multiple parts, e.g. frames mating with lids
    • H05K9/0033—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields having multiple parts, e.g. frames mating with lids disposed on both PCB faces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S174/00—Electricity: conductors and insulators
    • Y10S174/34—PCB in box or housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

L'invention concerne un dispositif de protection pour des planches de circuit imprimé. Selon l'invention, il comprend un corps (20) ayant des pieds qui s'étendent perpendiculairement à la surface supérieure de la planche de circuit imprimé, un organe récepteur (20) ayant des pieds (21) correspondant aux pieds (11), chacune des paires de pieds traversant une fente qui est formée dans la planche de circuit imprimé pour être mutuellement joints. L'invention s'applique notamment à la protection des circuits imprimés.The invention relates to a protection device for printed circuit boards. According to the invention, it comprises a body (20) having feet which extend perpendicular to the upper surface of the printed circuit board, a receiving member (20) having feet (21) corresponding to the feet (11), each of the pairs of feet passing through a slot which is formed in the printed circuit board to be mutually joined. The invention applies in particular to the protection of printed circuits.

Description

La présente invention se rapporte à un dispositif de protection pour desThe present invention relates to a protection device for

planches de circuit imprimé, et plus particulièrement à de tels dispositifs comprenant des organes supérieur et inférieur qui sont disposés sur les faces  printed circuit boards, and more particularly to such devices comprising upper and lower bodies which are arranged on the faces

opposées de la planche de circuit imprimé et qui sont connectés l'un à l'autre.  opposite of the printed circuit board and which are connected to each other.

Un dispositif conventionnel de protection tel que montré à la figure 1 comporte un corps 2 et un organe récepteur 3 Pour obtenir un effet souhaité de protection pour une planche de circuit imprimé 1 ayant une face avant ou supérieure la sur laquelle sont fixées des pièces électroniques 4, 5 et 6 et une face inverse ou inférieure lb, le corps de protection 2 est disposé sur la face supérieure la pour couvrir les pièces électroniques souhaitées à protéger, avec  A conventional protection device as shown in FIG. 1 comprises a body 2 and a receiver member 3 to obtain a desired effect of protection for a printed circuit board 1 having a front or upper face on which the electronic parts are fixed 4 , 5 and 6 and a reverse or lower face lb, the protective body 2 is disposed on the upper face la to cover the desired electronic parts to be protected, with

des pieds 2 a du corps de protection 2 traversant la planche de circuit imprimé 1.  feet 2a of the protective body 2 passing through the printed circuit board 1.

L'organe récepteur 3 est placé sur la face inférieure lb de la planche de circuit imprimé 1 et il est connecté au corps 2 Les pieds 2 a traversent des trous qui sont formés dans la planche de circuit imprimé puis des trous formés dans l'organe récepteur 3, leurs extrémités qui dépassent étant électriquement connectées à un schéma de base sur la planche de circuit imprimé et au corps de protection par des soudures 7 et étant également fixées à l'organe récepteur 3 par  The receiving member 3 is placed on the lower face 1b of the printed circuit board 1 and is connected to the body 2 The legs 2 pass through holes which are formed in the printed circuit board and then holes formed in the body receiver 3, their protruding ends being electrically connected to a basic circuit diagram on the printed circuit board and to the protective body by welds 7 and also being attached to the receiver member 3 by

des soudures 8.welds 8.

Par conséquent, cette construction nécessite un grand nombre de sites à  Therefore, this construction requires a large number of sites to

connecter en soudant, ce qui augmente le temps de production et donc le prix.  connect by soldering, which increases the production time and therefore the price.

La présente invention a pour objet de procurer un dispositif de protection qui puisse être attaché à la planche de circuit imprimé ayant des pièces électriques à protéger par un moins grand nombre d'étapes et donc à un  The object of the present invention is to provide a protective device which can be attached to the printed circuit board having electrical parts to be protected by a smaller number of steps and therefore to a

moindre prix.lower price.

Selon l'invention, on prévoit un dispositif de protection pour une planche de circuit imprimé qui comprend: un corps de protection ayant un certain nombre de premiers pieds qui s'étendent perpendiculairement à la surface supérieure de la planche du circuit imprimé; un organe récepteur ayant un certain nombre de seconds pieds qui sont formés aux positions correspondant aux premiers pieds du corps pour former des paires de premiers et seconds pieds; chacune des paires de pieds traversant une fente formée dans la planche  According to the invention, there is provided a protective device for a printed circuit board which comprises: a protective body having a number of first legs which extend perpendicularly to the upper surface of the board of the printed circuit; a receiving member having a number of second legs which are formed at positions corresponding to the first legs of the body to form pairs of first and second legs; each of the pairs of feet crossing a slot formed in the board

du circuit imprimé pour être joints ensemble.  of the circuit board to be joined together.

Chaque paire de pieds du corps de protection et de l'organe récepteur peut être connectée par engagement d'un évidement et d'une protubérance ce qui  Each pair of feet of the protective body and the receiver member may be connected by engagement of a recess and a protrusion which

facilite l'opération de fixation du corps de protection et de l'organe récepteur.  facilitates the operation of fixing the protective body and the receiving member.

L'invention sera mieux comprise et d'autres buts, caractéristiques détails  The invention will be better understood and other purposes, features details

et avantages de celle-ci apparaîtront plus clairement au cours de la description  and benefits of it will become clearer during the description

explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels: la figure 1 est une vue en coupe illustrant un dispositif conventionnel de protection équipant une planche de circuit imprimé; la figure 2 est une vue en coupe transversale illustrant une planche de circuit imprimé et un dispositif de protection selon l'invention; la figure 3 est une vue en perspective éclatée du dispositif de protection montré à la figure 2; et la figure 4 est une vue en plan de la planche de circuit imprimé qui doit  explanatory text which will follow with reference to the accompanying schematic drawings given solely by way of example illustrating an embodiment of the invention and in which: FIG. 1 is a sectional view illustrating a conventional protection device fitted to a circuit board printed; Figure 2 is a cross-sectional view illustrating a printed circuit board and a protection device according to the invention; Figure 3 is an exploded perspective view of the protection device shown in Figure 2; and FIG. 4 is a plan view of the printed circuit board which is to

être équipée du dispositif de protection.  be equipped with the protective device.

En se référant maintenant à la figure 2, elle illustre un dispositif de protection selon l'invention, qui comprend un corps 10 et un organe récepteur  Referring now to FIG. 2, it illustrates a protection device according to the invention, which comprises a body 10 and a receiving member

entre lesquels est placée une planche de circuit imprimé 1.  between which is placed a printed circuit board 1.

Comme on peut mieux le voir à la figure 3, le corps 10 a une paroi supérieure i Qa qui est tournée vers la surface supérieure la de la planche de circuit imprimé 1 et 4 aux parois latérales l Ob qui sont reliées aux bords de la paroi supérieure pour former une boîte sensiblement rectangulaire Chacune des parois latérales l Ob a une extension ou un pied 11 à son bord et une portion  As best seen in Figure 3, the body 10 has a top wall Qa which faces the top surface 1a of the printed circuit board 1 and 4 to the side walls 1bb which are connected to the edges of the wall upper to form a substantially rectangular box Each of the side walls l Ob has an extension or a foot 11 at its edge and a portion

d'engagement 1 ia dans l'autre surface de la paroi latérale.  1 i engagement in the other surface of the side wall.

La planche de circuit imprimé 1 est pourvue de quatre trou ou fente lc comme on peut le voir à la figure 4, par o sont insérés les pieds 11 et 21 Sur la surface supérieure la de la planche de circuit imprimé 1 sont fixées des pièces électriques 4, 5 et 6 à protéger, qui peuvent être des résistances, des  The printed circuit board 1 is provided with four holes or slot 1c as can be seen in FIG. 4, where the feet 11 and 21 are inserted on the upper surface 1a of the printed circuit board 1 are fixed electrical parts 4, 5 and 6 to be protected, which may be resistance,

condensateurs, des transistors ou analogues.  capacitors, transistors or the like.

L'organe récepteur 20 comprend une plaque sensiblement rectangulaire a ayant à peu près la même forme et la même taille que la paroi supérieure du corps 10 A partir de chaque bord de l'organe récepteur, dépasse un pied 21 perpendiculairement à la surface de la plaque 20 a, à la position correspondante de chacun des pieds 11 Chacun des pieds 21 est pourvu d'un évidement qui est formé en le cintrant, pour permettre ainsi aux pieds 21 d'être joints aux pieds correspondants 11 par engagement des protubérances l la et des évidements 21 a, quand le corps et l'organe récepteur sont placés en une relation prédéterminée. Le corps 10 et l'organe récepteur 20 sont faits en un matériau ayant une perméabilité magnétique suffisante pour un effet souhaité de protection Il est souhaitable qu'au moins les pieds 21 soient flexibles afin de leur permettre de se déformer élastiquement pour que leur extrémité distale puisse se déplacer sur la protubérance respective lla quand le corps et l'organe récepteur sont joints  The receiving member 20 comprises a substantially rectangular plate having approximately the same shape and size as the upper wall of the body 10 from each edge of the receiving member, exceeds a foot 21 perpendicular to the surface of the body. plate 20a, at the corresponding position of each of the feet 11 Each of the feet 21 is provided with a recess which is formed by bending it, to thereby allow the feet 21 to be joined to the corresponding feet 11 by engagement of the protuberances 1a. and recesses 21a, when the body and the receiving member are placed in a predetermined relationship. The body 10 and the receiving member 20 are made of a material having sufficient magnetic permeability for a desired effect of protection It is desirable that at least the feet 21 are flexible to allow them to elastically deform so that their distal end can move on the respective protrusion lla when the body and the receiving body are joined

comme le montre la figure 2.as shown in Figure 2.

Pour l'illustration, quatre paires de pieds sont prévus, mais le nombre des paires de pieds peut être de deux pour de petits dispositifs ou de plus de  For the illustration, four pairs of feet are provided, but the number of pairs of feet can be two for small devices or more than

quatre pour de plus grands dispositifs.  four for larger features.

En se référant de nouveau à la figure 21, le corps 10 est installé sur la planche de circuit imprimé 1 de manière que les pieds 11 soient insérés dans les fentes respectives le qui y sont formées, et au moins l'un des pieds 11 est électriquement connecté à un schéma de base (non représenté) qui est formé sur la surface lb de la planche de circuit imprimé au moyen d'une soudure 7, tout en laissant l'ouverture dans les fentes pour permettre l'insertion des pieds 21 de  Referring again to FIG. 21, the body 10 is installed on the printed circuit board 1 so that the legs 11 are inserted into the respective slots 1 formed therein, and at least one of the legs 11 is electrically connected to a base diagram (not shown) which is formed on the surface lb of the printed circuit board by means of a solder 7, while leaving the opening in the slots to allow the insertion of the feet 21 of

l'organe récepteur.the receiving organ.

L'organe récepteur 20 est installé par engagement de l'évidement 1 la et de la protubérance 21 a des pieds 21 L'opération d'installation de l'organe récepteur 20 peut être facilement faite par simple insertion des pieds 21 dans les fentes lc en poussant jusqu'à l'engagement entre les protubérances et les évidements.  The receiving member 20 is installed by engaging the recess 1a and the protuberance 21a feet 21 The installation operation of the receiving member 20 can be easily done by simply inserting the feet 21 in the slots lc pushing until the engagement between the protuberances and the recesses.

Claims (3)

REVENDICATIONS 1 Dispositif de protection pour des planches de circuit imprimé, caractérisé en ce qu'il comprend: un corps de protection ( 10) ayant une première quantité de pieds ( 11) qui s'étendent perpendiculairement à la surface supérieure de la planche de circuit imprimé; un organe récepteur ( 20) ayant une quantité de second pieds qui sont formés aux positions correspondant au premier pied dudit corps pour former des paires de premiers et seconds pieds; chacune desdites paires de pieds traversant une fente (lc) qui est formée  Protective device for printed circuit boards, characterized in that it comprises: a protective body (10) having a first amount of feet (11) which extend perpendicularly to the upper surface of the printed circuit board ; a receiving member (20) having an amount of second legs which are formed at positions corresponding to the first foot of said body to form pairs of first and second legs; each of said pairs of feet passing through a slot (1c) which is formed dans la planche de circuit imprimé pour être joints mutuellement.  in the printed circuit board to be joined together. 2 Dispositif selon la revendication 1, caractérisé en ce que chacun des premiers pieds a un évidement ( 1 la) et chacun des seconds pieds a une  2 Device according to claim 1, characterized in that each of the first feet has a recess (1 la) and each of the second feet has a protubérance ( 21 a) pouvant venir en engagement avec l'évidement.  protuberance (21 a) that can come into engagement with the recess. 3 Dispositif selon la revendication 1, caractérisé en ce que le corps ( 10) comprend une paroi supérieure (l Oa) de forme sensiblement rectangulaire et quatre parois latérales (l Ob) qui sont reliées à chaque côté de la paroi supérieure  3 Device according to claim 1, characterized in that the body (10) comprises a top wall (l Oa) of substantially rectangular shape and four side walls (l Ob) which are connected to each side of the upper wall pour former un espace o sont enfermées des pièces électriques ( 4, 5, 6).  to form a space where are enclosed electrical parts (4, 5, 6).
FR929208933A 1991-11-25 1992-07-20 PROTECTIVE DEVICE FOR PRINTED CIRCUIT BOARDS. Expired - Fee Related FR2684261B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991104623U JP2501638Y2 (en) 1991-11-25 1991-11-25 Shield board for PCB mounting

Publications (2)

Publication Number Publication Date
FR2684261A1 true FR2684261A1 (en) 1993-05-28
FR2684261B1 FR2684261B1 (en) 1994-11-18

Family

ID=14385574

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929208933A Expired - Fee Related FR2684261B1 (en) 1991-11-25 1992-07-20 PROTECTIVE DEVICE FOR PRINTED CIRCUIT BOARDS.

Country Status (5)

Country Link
US (1) US5353201A (en)
JP (1) JP2501638Y2 (en)
DE (1) DE4219932C2 (en)
FR (1) FR2684261B1 (en)
GB (1) GB2261998B (en)

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Also Published As

Publication number Publication date
JP2501638Y2 (en) 1996-06-19
GB9212282D0 (en) 1992-07-22
JPH0546095U (en) 1993-06-18
US5353201A (en) 1994-10-04
GB2261998A (en) 1993-06-02
DE4219932C2 (en) 2000-11-16
GB2261998B (en) 1995-08-02
DE4219932A1 (en) 1993-05-27
FR2684261B1 (en) 1994-11-18

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